- mamenchisaur
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Any of the species of long-necked herbivorous dinosaurs in the genus .
Wikipedia foundation.
Wikipedia foundation.
Zigongosaurus — Taxobox name = Zigongosaurus fossil range = Middle Jurassic Late Jurassic regnum = Animalia phylum = Chordata classis = Sauropsid superordo = Dinosauria ordo = Saurischia subordo = Sauropodomorpha infraordo = Sauropoda familia = uncertain genus … Wikipedia